Sphaerococcus obtusus Kütz., 1869 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Gracilariales family Gracilariaceae genus Gracilaria species Gracilaria debilis Name Homonyms Sphaerococcus obtusus (Hudson) Wahlenberg, 1826 Sphaerococcus obtusus Kütz., 1869